During January 2025, this developer focused on stability-driven maintenance for the guardian/scala-steward repository, delivering a feature that upgraded core dependencies and build tooling to align with the evolving Scala ecosystem. They applied their expertise in Scala, dependency management, and build tool configuration to update libraries and plugins, automate code formatting with scalafmt, and refine .git-blame-ignore-revs for clearer commit history. By enhancing CI reporting and merge hygiene through updated sbt plugins, they improved build reliability and auditability. The work reduced ongoing maintenance overhead and prepared the codebase for future updates, demonstrating a methodical approach to long-term project stability.